/* Copyright (C) 2000 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* Get date in a printable form: yyyy-mm-dd hh:mm:ss */

#include "mysys_priv.h"
#include <m_string.h>

/*
  get date as string

  SYNOPSIS
    get_date()
    to   - string where date will be written
    flag - format of date:
          If flag & GETDATE_TIME	Return date and time
          If flag & GETDATE_SHORT_DATE	Return short date format YYMMDD
          If flag & GETDATE_HHMMSSTIME	Return time in HHMMDD format.
          If flag & GETDATE_GMT		Date/time in GMT
          If flag & GETDATE_FIXEDLENGTH	Return fixed length date/time
    date - for conversion
*/

void get_date(register my_string to, int flag, time_t date)
{
  reg2 struct tm *start_time;
  time_t skr;
#if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT)
  struct tm tm_tmp;
#endif

  skr = date ? (time_t)date : time((time_t *)0);
#if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT)
  if (flag & GETDATE_GMT)
    localtime_r(&skr, &tm_tmp);
  else
    gmtime_r(&skr, &tm_tmp);
  start_time = &tm_tmp;
#else
  if (flag & GETDATE_GMT)
    start_time = localtime(&skr);
  else
    start_time = gmtime(&skr);
#endif
  if (flag & GETDATE_SHORT_DATE)
    sprintf(to, "%02d%02d%02d", start_time->tm_year % 100, start_time->tm_mon + 1, start_time->tm_mday);
  else
    sprintf(to, ((flag & GETDATE_FIXEDLENGTH) ? "%4d-%02d-%02d" : "%d-%02d-%02d"), start_time->tm_year + 1900,
            start_time->tm_mon + 1, start_time->tm_mday);
  if (flag & GETDATE_DATE_TIME)
    sprintf(strend(to), ((flag & GETDATE_FIXEDLENGTH) ? " %02d:%02d:%02d" : " %2d:%02d:%02d"), start_time->tm_hour,
            start_time->tm_min, start_time->tm_sec);
  else if (flag & GETDATE_HHMMSSTIME)
    sprintf(strend(to), "%02d%02d%02d", start_time->tm_hour, start_time->tm_min, start_time->tm_sec);
} /* get_date */
